The effect of left ventricle ischemia severity on cardiac performance appeared on ejection fraction using radioactive TC 99m MIBI in comparison with echocardiography

M K Mohammed; S I Essa

doi:10.1088/1742-6596/2114/1/012006

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Publication Date

Wed Dec 01 2021

Journal Name

Journal Of Physics: Conference Series

Volume

2114

DOI

10.1088/1742-6596/2114/1/012006

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The effect of left ventricle ischemia severity on cardiac performance appeared on ejection fraction using radioactive TC 99m MIBI in comparison with echocardiography

ischemic heart disease

SPECT with TC99m

echocardiography.

M K Mohammed

S I Essa

...Show More Authors

AbstractIschemic heart disease is a major causes of heart failure. Heart failure patients have predominantly left ventricular dysfunction (systolic or diastolic dysfunction, or both). Acute heart failure is most commonly caused by reduced myocardial contractility, and increased LV stiffness. We performed echocardiography and gated SPECT with Tc99m MIBI within 263 patients and 166 normal individuals. Left ventricular end systolic volume (LVESV), left ventricular end diastolic volume (LVEDV), and left ventricular ejection fraction (LVEF) were measured. For all degrees of ischemia, there was a significant difference between ejection fraction values measured by SPECT and echocardiography, and there were no significant differences among end systolic volume and end diastolic volume value calculated by two methods for all cases.The mean value for EDV (ECHO)/EDV (SPECT) was 1.07 ± 0.31 for degree (1, 2); in the degree 3 the mean value was 1.02 ± 0.08, and 1.005 ± 0.07 for degree 4.The mean value for ESV (ECHO)/ESV (SPECT) was 1.08 ± 0.34 for degree (1, 2); while 1.03 ± 0.12, 1.021 ± 0.128 for degree 3 and 4 respectively.This study was showed a good relation between left ventricular size and ejection fraction measured by SPECT with Tc99m, and echocardiography.

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